4.3
MEDIUM
CVE-2023-49790
Nextcloud iOS Files PIN Code Bypass Vulnerability
Description

The Nextcloud iOS Files app allows users of iOS to interact with Nextcloud, a self-hosted productivity platform. Prior to version 4.9.2, the application can be used without providing the 4 digit PIN code. Nextcloud iOS Files app should be upgraded to 4.9.2 to receive the patch. No known workarounds are available.

INFO

Published Date :

Dec. 22, 2023, 5:15 p.m.

Last Modified :

Dec. 29, 2023, 6:31 p.m.

Remotely Exploitable :

No

Impact Score :

3.4

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2023-49790 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nextcloud nextcloud_server
2 Nextcloud nextcloud
3 Nextcloud notes
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-49790.

URL Resource
https://github.com/nextcloud/ios/pull/2665 Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j8g7-88vv-rggv Vendor Advisory
https://hackerone.com/reports/2245437 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-49790 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-49790 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Changed Reference Type https://github.com/nextcloud/ios/pull/2665 No Types Assigned https://github.com/nextcloud/ios/pull/2665 Patch
    Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j8g7-88vv-rggv No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j8g7-88vv-rggv Vendor Advisory
    Changed Reference Type https://hackerone.com/reports/2245437 No Types Assigned https://hackerone.com/reports/2245437 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 4.9.2
  • CVE Received by [email protected]

    Dec. 22, 2023

    Action Type Old Value New Value
    Added Description The Nextcloud iOS Files app allows users of iOS to interact with Nextcloud, a self-hosted productivity platform. Prior to version 4.9.2, the application can be used without providing the 4 digit PIN code. Nextcloud iOS Files app should be upgraded to 4.9.2 to receive the patch. No known workarounds are available.
    Added Reference GitHub, Inc. https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j8g7-88vv-rggv [No types assigned]
    Added Reference GitHub, Inc. https://github.com/nextcloud/ios/pull/2665 [No types assigned]
    Added Reference GitHub, Inc. https://hackerone.com/reports/2245437 [No types assigned]
    Added CWE GitHub, Inc. CWE-287
    Added CVSS V3.1 GitHub, Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-49790 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.14074

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability